Frequencies for first 10,000 rows of consult variable in nhamcsed2015 dataset : Consulting | physician | seen | Freq. Percent Cum. ------------+----------------------------------- No | 8,892 88.92 88.92 Yes | 1,108 11.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017